Pronunciation: (ig'nur-unt), [key]
1. lacking in knowledge or training; unlearned: an ignorant man.
2. lacking knowledge or information as to a particular subject or fact: ignorant of quantum physics.
3. uninformed; unaware.
4. due to or showing lack of knowledge or training: an ignorant statement.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.